Speakers


SGS is proud to have a team of expert seminar leaders who are constantly providing continuing education to the dental community. SGS instructors come from a variety of dental and medical backgrounds and together share a goal of educating more practitioners on the protocols, processes and technology needed to offer life saving therapy to more patients.
Dr. Barry Freydberg, a 1968 graduate of the University Of Illinois College Of Dentistry is a full-time practicing dentist. He was named “Alumni of the Year” in 2004.He is a Fellow of the Academy of General Dentistry, a Fellow of the International College of Dentists, a Fellow of the American College of Dentists and a Fellow of the International Academy for Dental-Facial Esthetics. He is a leading speaker on conservative “Prepless” esthetic dentistry and is considered a pioneer in raising dentists’ awareness of the ever-growing link between high technology and practice and clinical management. And, as digital technology has matured, he also focuses on “Techsthetics”, the link between technology and diagnosing, marketing and providing better esthetic dentistry.
Dr. Michael Hnat is a 1979 graduate of the University of Pittsburgh School of Dental Medicine and has been in private practice for over thirty years.
Dr. Steven Lanham was born and raised in Pratt, WV. He graduated from West Virginia Tech and then received his doctorate of dental surgery from West Virginia University School of Dentistry in 1982.
Dr. Dawne Slabach is committed to providing compassionate care to all patients. Her passion for TMJ disorders, sleep-disordered breathing and orthodontics all stem from her own experiences with all three areas of care. Dr. Slabach received her B.S. in Biochemistry from Ohio State University in 1984 and her D.D.S. from Ohio State University in 1988. She is also a member of the American Academy of Dental Sleep Medicine and the American Academy of Craniofacial Pain.
Dr. Maurice Salama completed his undergraduate studies at the State University of New York at Binghamton in 1985, where he received his BS in Biology. Dr. Salama is currently on the faculties of the University of Pennsylvania and the Medical College of Georgia as a Clinical Assistant Professor of Periodontics. The dual nature of his specialty training makes Dr. Salama a highly sought-after lecturer nationally and internationally.
Dr. Mark Levy is a graduate of The Ohio State University College of Dentistry has been practicing dentistry in Columbus for almost 30 years. Dr. Levy has continued his education at the world renowned Las Vegas Institute for Advanced Dental Studies. He was asked to return as a Clinical Instructor at LVI, teaching dentists from across the United States, Canada, Australia and Europe the advanced techniques required for modern, aesthetic dentistry.
SGS Vice President John Nadeau has been actively involved in the dental sleep medicine community since 2002.
Dr. Marty Lipsey, received his DDS degree from UCLA and a Master of Science from Northwestern University Dental School. Dr. Lipsey is the founder of Dental Sleep Med Systems, offering dental teams assistance in implementing and/or improving their dental sleep medicine practices, including electronic medical billing and successful insurance coding and processing. Dr. Lipsey is also a Sleep Group Solutions Instructor, and teaches Dental Sleep Medicine regularly.
J.C. Goodwin, DMD, DACSDD, is a general dentist with over 27 years of clinical experience in both public health and private practice. His post-graduate training has included dental laser surgery, comprehensive dental rehabilitation, CEREC, sleep disorders including apnea management, as well as TMD and facial pain management. He is a member of the ADA, the American Academy of Dental Sleep Medicine and the Academy of Clinical Sleep Disorders Disciplines. He holds a diplomate credential in that organization (DACSDD). Dr Goodwin owns a patent on the ‘Trim-EZE’ dental composite trimmer. He created the Sleep Effect Center for Apnea Management in 2009 and has recently become affiliated with Sleep Synergies, Inc. His practice is now limited to providing dental sleep medicine services
Dr. Michael L. Gelb is an innovator in sleep apnea, painful TMJ disorders, and other head and neck pain conditions. Dr. Gelb has studied breathing related sleep disorders (BRSD), specializing in how they relate to fatigue, focus and pain, and the effects all of these can have on a person’s life. Dr. Gelb received his D.D.S. degree from Columbia University School of Dental and Oral Surgery in 1982, and his M.S. degree from SUNY at Buffalo School of Dental Medicine.
A native of Salem, MA, Dr. Tache’ has been practicing dentistry since 1975. He received his undergraduate degree from St. Anselm’s College in Manchester, NH, and his Doctor of Dental Medicine degree from Tufts University School of Dental Medicine in 1974. Dr. Tache began lecturing for SGS in 2006 and is currently serving as President of the Wisconsin Sleep Society.